Conn Connstellation 9BN vs Marcinkiewicz 10

The Marcinkiewicz 10 has a wider cup diameter, the Conn Connstellation 9BN features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
    Conn Connstellation 9BN
    • Cornet
    Lead
    Backbore
    Best suited for
    📋Trumpet players seeking precise matched dimensions
    🎶Size 9 (15.88mm); smaller cup; more compact tone; Narrow rim; smaller inner radius; sharper bite. Fa
    vs
    Mouthpiece B
      Marcinkiewicz 10
      • Cornet
      Backbore
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone

      Which is better?

      Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.

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